<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        // 对象遍历
        var dog = {
            dName: "coco",
            type: "阿拉斯加犬",
            age: "5岁",
            color: "棕红色"
        }

        // 遍历
        for (let k in dog) {
            console.log(k, dog[k]);
        }
    </script>
</body>

</html>